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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $115.00 Put

VST261218P00115000

Latest saved OI1,033Oct 21, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $115.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 1,0385190 2026-10-02: 939 OI2026-10-05: 961 OI2026-10-06: 959 OI2026-10-07: 961 OI2026-10-08: 961 OI2026-10-09: 1,001 OI2026-10-14: 1,001 OI2026-10-15: 1,038 OI2026-10-16: 1,033 OI2026-10-21: 1,033 OI Oct 02, 2026Oct 21, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing1,0330
Oct 16, 20261,033-5
Oct 15, 20261,038+37
Oct 14, 20261,0010
Oct 09, 20261,001+40
Oct 08, 20269610
Oct 07, 2026961+2
Oct 06, 2026959-2
Oct 05, 2026961+22
Oct 02, 2026939No prior observation